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A jeweller has a division of 22 Carat Gold Bangles and wants to know the following
Data relating to the last year for all months with total sales and total costs are also
available and given below
Month	# of Set	Total
	sold	Cost
Jan	200	$ 9,500
Feb	550	$ 26,500
Mar	500	$ 25,000
Apr	650	$ 31,500
May	400	$ 21,000
June	560	$ 26,250
July	680	$ 32,000
Aug	700	$ 32,500
Sep	500	$ 24,000
Oct	600	$ 26,750
Nov	600	$ 28,000
Dec	450	$ 22,000
Solve by Least-squares Regression Method ONLY AND COMPUTE THE FOLLOWING
Requirements:
(i) Variable cost per Set= $
(ii) Fixed cost per month = $
(iii) Semi Variable costs per month = $
(iv) Semi Fixed costs per month = $
REMEMBER NOT TO SOLVE BY HIGH-LOW METHOD
Need 100% Correct Answer only